49200120 has 96 divisors (see below), whose sum is σ = 168339600. Its totient is φ = 12427776.

The previous prime is 49200103. The next prime is 49200143. The reversal of 49200120 is 2100294.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 49200093 and 49200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3244 + ... + 10436.

Almost surely, 2^49200120 is an apocalyptic number.

49200120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84169800).

49200120 is an abundant number, since it is smaller than the sum of its proper divisors (119139480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49200120 is a wasteful number, since it uses less digits than its factorization.

49200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229 (or 7222 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 49200120 is about 7014.2797206841. The cubic root of 49200120 is about 366.4280577981.

The spelling of 49200120 in words is "forty-nine million, two hundred thousand, one hundred twenty".